Dogs have been man's pet for over 14,000 years.
224
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Only 3% of bird species have penises.
0
Denmark has twice as many pigs as there are people.
66
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19